/***********************************************************************************************************************
*                                                                                                                      *
* SPLASH build system v0.1                                                                                             *
*                                                                                                                      *
* Copyright (c) 2013 Andrew D. Zonenberg                                                                               *
* All rights reserved.                                                                                                 *
*                                                                                                                      *
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the     *
* following conditions are met:                                                                                        *
*                                                                                                                      *
*    * Redistributions of source code must retain the above copyright notice, this list of conditions, and the         *
*      following disclaimer.                                                                                           *
*                                                                                                                      *
*    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the       *
*      following disclaimer in the documentation and/or other materials provided with the distribution.                *
*                                                                                                                      *
*    * Neither the name of the author nor the names of any contributors may be used to endorse or promote products     *
*      derived from this software without specific prior written permission.                                           *
*                                                                                                                      *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL *
* THE AUTHORS BE HELD LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES        *
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR       *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE       *
* POSSIBILITY OF SUCH DAMAGE.                                                                                          *
*                                                                                                                      *
***********************************************************************************************************************/

#include "splashcore.h"

using namespace std;

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Construction / destruction

CppSvnVersionNode::CppSvnVersionNode(BuildGraph* graph, string basename)
	: CppGeneratedSourceNode(graph, basename, "generic")
{
	//Look up the SVN version number immediately
	m_version = ShellCommand("svnversion -n " + graph->GetSourceDir(), true);
}

CppSvnVersionNode::~CppSvnVersionNode()
{
	
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Accessors

string CppSvnVersionNode::GetOutputPath()
{
	return m_graph->GetOutDir() + "/generic/include/" + m_fname;
}

string CppSvnVersionNode::GetFileName()
{
	return GetOutputPath();
}

string CppSvnVersionNode::GetBinaryPath()
{
	return GetOutputPath();
}

string CppSvnVersionNode::GetHash()
{
	return sha256(sha256(m_version) + sha256(GetFileName()));
}

void CppSvnVersionNode::Update(Cluster* /*cluster*/)
{
	DebugPrintfHeading(3, "Generating SVN version include file %s (version %s)\n", m_fname.c_str(), m_version.c_str());

	//TODO: caching etc, for now just write directly to the include directory
	MakeDirectoryRecursive(GetDirOfFile(GetFileName()), 0755);
	FILE* fp = fopen(GetFileName().c_str(), "w");
	if(!fp)
		FatalError("Could not open SVN version header \"%s\" for writing\n", GetBasenameOfFile(m_fname).c_str());
	
	//Write the output
	fprintf(fp, "//Automatically generated by CppSvnVersionNode\n//DO NOT EDIT\n");
	fprintf(fp, "#define SVNVERSION \"%s\"\n", m_version.c_str());
	fclose(fp);
}

void CppSvnVersionNode::UpdateDependencies()
{
	//Nothing to do
}
